| Description | Portishead Gas; Portsmouth & Gosport Gas; Prescot & District Gas; Presteigne Gas; Preston Gas; Prestonpans & District Gas; Princes Risborough Gas Light & Coke; Pudsey Coal Gas; Quaker's Yard Gas & Water; Radcliffe, Farnworth And District Gas; Ramsbottom Gas; Ramsey Gas; Reading Gas; Redditch Gas; Rhayader Gas Light; Rhos Gas; Rhymney & Aber Gas; Riddings District Gas; Ripley Gas |